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About dzo

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  1. السلام علی من ابع علی الہدی DZO, I hope you will guide me, I have mrz05 installed in my car, Its not playing sd card and CDs, neither audio nor videos. secondly I read your article of changing language, but I dont know how to create backup of /user. kindly guide me through these.

  2. Hello, DZO. I hope you will help me. I have carrozzeria mrz99. Stopped reclining the display and written press to close the display. When you click the close (open) button, the message does not disappear and is accompanied by short beeps. Rebooting doesn't help. There is an opportunity to mrz99 reset to factory settings?

  3. AVIC-MRZ99 Custom Firmware / Testmode

    MP-310 is a Nissan model so the language will probably be called NA090JPJPN.LNG (NA stands for nissan), try the one I made for MP-309A (mrz0047) but make sure you copy the existing file first and post it here if the translation is wrong.
  4. Hello DZO,
    do you have any experience with an AVIC-MRZ0247ZM (C9P5 V6 650) - built in in a MAZDA Demio (MAZDA 2)!
    The car was imported to Kenya.
    My research in the net found almost nothing and if, then all was written in Japanese language again.
    This AVIC-MRZ0247ZM just shows Japanese language and there is need to change the language to English or German.
    Also needed to change the date and time, because it always shows Japanese time.
    I myself will get the AVIC-MRZ0247ZM in a few days and will try to get into the file system for a backup!
    Attached some pictures of the AVIC-MRZ0247ZM





    1. mrmwash


      Hi,did you manage to change? I would like to try,but I need to take a backup first

  5. hi dzo i have mrz 90 and i updated it with files from post 59 and now my screen dissorted 

    any help will be appreciated 


  6. Hi Dzo,

    I have Avic mrz05 and i have been unable to change the language to English, kindly assist.

    1. Suhrid


      Having the same issue. Please let me know if you succeeded mate. 

  7. AVIC-MRZ99 Custom Firmware / Testmode

    One thing you can try is to delete or create an empty file called "PRG.FLG" in /USER, this will swap to the other application firmware installation but it won't help if the problem is with the base OS. Also, if you start up the unit in engineering testmode, there are some tests it can run but you'll need google translate on your phone to navigate the menus.
  8. AVIC-MRZ99 Custom Firmware / Testmode

    OK, Here's a first attempt at a translation for MRZ85. I can't test this so it may not work. Rename it to PF090JPJPN.LNG PF090JPJPN_85ENG.LNG
  9. 15311760135701617170910.thumb.jpg.d2219526edde76497f62d53e4e77f2e4.jpghola dzo Compré un automóvil y el autoestéreo avic-mrz09 me muestra palabras en japonés, cuando inserto un disco es posible escuchar el audio que me gustaría saber si tiene solución y le apruebo su respuesta ...

  10. AVIC-MRZ99 Custom Firmware / Testmode

    There will probably be other language files, e.g. PF090JPENG.LNG, just copy one of these over PF090JPJPN.LNG.
  11. AVIC-MRZ99 Custom Firmware / Testmode

    If you post your old PF090JPJPN.LNG file here, I'll see if it's similar to one of the other models or make a new translation. If you don't have the old file, use one of the others, e.g. PF090JPENG.LNG
  12. AVIC-MRZ99 Custom Firmware / Testmode

    Put this testmode key onto a usb stick or sd card: TESTMODE.KEY And switch on the unit. If this doesn't bring up testmode then there is nothing much you can do. If it gets you into testmode, then you will need to find somebody else with the same model as yours and copy their PRG0 folder. You should never have deleted the PRG folders
  13. Hello. I bought a car from Japan with Avic-mrz02. I tried to replace the files with your instructions, but nothing happened. Can you help? I enclose a copy of the original firmware. And tell me how much money it costs. Thank you in advance


  14. Hello Dzo,

    Sorry to knock you over this issue since I can see that you are quite busy. 

    I was just wondering whether you still have the backup for MRZ99 ? 

    I downloaded the zip file from your post no 59 on my Sd card and then changed the script to SD/ from USB. After inserting the SD card the installer started in a red background and then changed to green and it keeps on rebooting.

    As of now my player is stuck on the screen as I have posted below but I can hear audio when I insert a Cd into my MRZ99, but I can enter testmode. Please help me !

    Also the very same SD card that I used for the backup isn't working so I don't ave any backup





  15. Hello, I sent you a message regarding the version of avic that I'm working on